QUESTION 2 What is the value of the x2 test statistic? (You may compute this value by setting up a tablo as shown in the textbook, by using a website such as https://goodcalculators.com/chi-square-calculator/, an Excel spreadsheet, or a graphing calculator.) Express its value to two or three decimal places (to the hundredths or thousandths place).

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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100%
According to the Stanford School of Medicine Blood Center, blood type for Americans is distributed as follows:
Type
O
A
B
AB
Percentage 44%
42%
10%
4%
A random sample of 200 Americans is selected and the blood type is recorded for each. The data is summarized in the table below.
Type
O
A
B
AB
Frequency 84
80
19
17
A Chi-square Goodness of Fit Test is conducted to test the hypotheses:
Ho: The observed frequencies are consistent with the stated percentages. (The distribution of blood type appears to be correct.)
HA: The observed frequencies are inconsistent with the stated percentages. (At least one of the stated percentages is incorrect.)
Answer the questions given below.
Transcribed Image Text:According to the Stanford School of Medicine Blood Center, blood type for Americans is distributed as follows: Type O A B AB Percentage 44% 42% 10% 4% A random sample of 200 Americans is selected and the blood type is recorded for each. The data is summarized in the table below. Type O A B AB Frequency 84 80 19 17 A Chi-square Goodness of Fit Test is conducted to test the hypotheses: Ho: The observed frequencies are consistent with the stated percentages. (The distribution of blood type appears to be correct.) HA: The observed frequencies are inconsistent with the stated percentages. (At least one of the stated percentages is incorrect.) Answer the questions given below.
QUESTION 2
What is the value of the x2 test statistic? (You may compute this value by setting up a table as shown in the textbook, by using a website such as https://goodcalculators.com/chi-square-calculator/, an Excel spreadsheet, or a graphing
calculator.) Express its value to two or three decimal places (to the hundredths or thousandths place).
QUESTION 3
Transcribed Image Text:QUESTION 2 What is the value of the x2 test statistic? (You may compute this value by setting up a table as shown in the textbook, by using a website such as https://goodcalculators.com/chi-square-calculator/, an Excel spreadsheet, or a graphing calculator.) Express its value to two or three decimal places (to the hundredths or thousandths place). QUESTION 3
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